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Finding the Fourth Proportional to 2,201.39, 3,301.47 and 968.48

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Solution

The fourth proportional to 2,201.39, 3,301.47 and 968.48 is: 1,452.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.39 : 3,301.47 = 968.48 : x
  2. Step 2: Convert to fraction form
    2,201.39/3,301.47 = 968.48/x
  3. Step 3: Cross multiply
    2,201.39x = 3,301.47 × 968.48
  4. Step 4: Simplify right side
    2,201.39x = 3,197,407.67
  5. Step 5: Solve for x
    x = 3,197,407.67/2,201.39
  6. Step 6: Final answer
    x = 1,452.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.